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IEEE International Conference on Telecommunications and Photonics (ICTP)

Enhancement of Secrecy Multicast Capacity over k - µ Shadowed Fading Channel

A. S. M. Badrudduza, S. M. S. Shahriyer, Milton Kumar Kundu, Sarjana Shabab

Published Dec 1, 2019• 3 citations
Publisher

Abstract

This paper illustrates a secure multicast scenario over k- μ shadowed fading channel in the appearance of multiple eavesdroppers. In order to achieve perfect secrecy, it must be ensured that no eavesdropper can decipher any transmitted information from the multicast channels. The secrecy analysis incorporates deriving mathematical expressions for two secrecy matrices such as the ergodic secrecy multicast capacity and the secure outage probability for multicasting. It is observed that proposed k - μ shadowed model unifies secrecy analysis of some well-known classical fading models and the derived expressions can help to quantify the significant impact of shadowing as-well-as other system parameters on secrecy performance. Finally, a close match between the analytical and Monte-Carlo simulation results is shown which validates the correctness of the derived expressions.

DOI
10.1109/ictp48844.2019.9041722

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This paper illustrates a secure multicast scenario over k- μ shadowed fading channel in the appearance of multiple eavesdroppers. In order to achieve perfect secrecy, it must be ensured that no eavesdropper can decipher any transmitted information from the multicast channels. The secrecy analysis incorporates deriving mathematical expressions for two secrecy matrices such as the ergodic secrecy multicast capacity and the secure outage probability for multicasting. It is observed that proposed k - μ shadowed model unifies secrecy analysis of some well-known classical fading models and the derived expressions can help to quantify the significant impact of shadowing as-well-as other system parameters on secrecy performance. Finally, a close match between the analytical and Monte-Carlo simulation results is shown which validates the correctness of the derived expressions.
The confidentiality of wireless multicast network is notably compromised by the concurrent existence of shadowing and fading. To overcome this security threat, mathematical modeling of a multicast scenario is proposed in this paper over κ-μ/ inverse gamma (IG) composite fading channel where transmitted confidential information from source is under malicious attack of multiple eavesdroppers. The well-known physical layer security approach is adopted to analyze the impact of system parameters on secrecy performance in terms of novel expressions of secure outage probability for multicasting, probability of nonzero secrecy multicast capacity and ergodic secrecy multicast capacity. The generalization of security analysis is achieved by demonstrating Rayleigh, Rician, Nakagami-m, κ-μ fading and Gaussian channels as a special scenarios of κ-μ/IG distribution. At the end, analytical results are justified by performing Monte-Carlo Simulations.
In this paper, a secure wireless multicast network over k - μ fading channel is considered, where a source transmits secret information to a group of receivers. A group of eavesdroppers are also present in the network which are responsible for wiretapping the transmitted information. A perfect secrecy can be obtained if the eavesdroppers are not able to decode any information from the source. In order to investigate the secrecy capacity of the multicast network, at first a novel expression for Ergodic secrecy multicast capacity is derived in closed-form. The outage performance of the proposed network is analyzed obtaining the closed-form expressions of secure outage probability for multicasting. The effects of fading is determined and a beneficent insight is provided into investigating the secrecy performance of some other common fading scenarios such as Rician, Rayleigh, Nakagami-m, Gaussian etc. using the derived novel expressions of this paper. Monte-Carlo simulations are performed to validate the derived analytical expressions.
Secrecy performance of realistic wireless multicast scenarios are significantly deteriorated by simultaneous occurrence of multipath and shadowing which are modeled using composite fading channels. To resolve this security threat, in this paper a framework is proposed where a source transmits private multicast messages to multiple receivers over η - μ / inverse gamma composite fading channels. A group of eavesdroppers are trying to overhear this secret communication. Perfect secrecy is obtained if eavesdropper can not decode any information from the multicast links. Secrecy analysis is carried out deriving closed-form expressions of two well-known secrecy measures i.e. probability of non-zero secrecy capacity and secure outage probability for multicasting. The impacts of multipath, shadowing and other system parameters on the outage performance of the proposed scenario are quantified using the derived expressions. A generic nature of η - μ / inverse gamma distribution is obtained by showing Rayleigh, Nakagami-m, Nakagami-q, η - μ fading and Gaussian channels as a special case of this distribution. Finally, Monte-Carlo simulations are presented to verify the derived expressions.
Multicasting over wireless channels is a challenging task now-a-days as conventional frameworks can not ensure the secrecy of transmitted information. Hence, in this paper, a secure multicast framework is presented over Generalized Nakagami-m fading channel in the appearance of multiple eavesdroppers and key concentration is given to the transmission of information at a secrecy rate so that no eavesdropper can decode any information from the multicast channels. The impact of the system parameters on the secrecy performance of proposed system is analyzed by obtaining closed-from mathematical expressions of some secrecy measures such as probability of nonzero secrecy multicast capacity and secure outage probability for multicasting. The generalization of the proposed model is achieved by obtaining Rayleigh, Nakagami- m, Gamma, Half-normal, Weibull, Exponential, etc. fading channels as a special case of Generalized Nakagami- m fading channel. Finally, the correctness of the derived expressions is authorized using Monte-Carlo simulations.
This paper deals with a secure satellite-terrestrial multicast framework over shadowed Rician fading channel, where a satellite communicates with legitimate receivers in the appearance of several eavesdroppers. Our main aim focuses on the protection of this multicast messages from wiretapping. The secrecy performance is analyzed by deriving expressions for two secrecy measures such as the ergodic secrecy multicast capacity and secure outage probability for multicasting in closed-form. The derived mathematical expressions provides an useful insight into how the severity of shadowing affects the secrecy performance of the proposed model. Impact of fading, multicast users and number of eavesdropper on the secure outage behavior is also quantified which provides a trade-off between security and the system parameters. At last a close agreement between the analytical and Monte-Carlo simulation results is presented to validate the derived mathematical expressions.
This paper focuse on the secrecy performance analysis over correlated κ - μ shadowed fading multicast channels considering a single input multiple output (SIMO) scenario. The proposed network consists of a single antenna source, and multiple receivers and eavesdroppers which are equipped with multiple antennas. The security analysis has been performed by developing a mathematical model and deriving the novel closed-form expressions(CFEs)of the performance matrices such as probability of non-zero secrecy multicast capacity (PNSMC) and secure outage probability for multicasting (SOPM). The secrecy capacity and outage characteristics of the multicast network has been investigated for the simultaneous presence of correlation and shadowing and it is observed that impact of each system parameter can be evaluated perfectly using the derived expressions. Finally, the analytical results has been verified by Monte-Carlo Simulations.